ARM: S5P64X0: Add UART serial support for S5P6450

This patch adds UART serial port support for S5P6450 SoC.
The S5P6450 has 6 UARTs, so adds resource of UART4 and UART5.
And to fix membase which is in serial/samsung.c is from Ben Dooks.

Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Cc: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-s5p/dev-uart.c b/arch/arm/plat-s5p/dev-uart.c
index a89331e..6a73428 100644
--- a/arch/arm/plat-s5p/dev-uart.c
+++ b/arch/arm/plat-s5p/dev-uart.c
@@ -119,6 +119,56 @@
 #endif
 };
 
+static struct resource s5p_uart4_resource[] = {
+#if CONFIG_SERIAL_SAMSUNG_UARTS > 4
+	[0] = {
+		.start	= S5P_PA_UART4,
+		.end	= S5P_PA_UART4 + S5P_SZ_UART,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_S5P_UART_RX4,
+		.end	= IRQ_S5P_UART_RX4,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start	= IRQ_S5P_UART_TX4,
+		.end	= IRQ_S5P_UART_TX4,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[3] = {
+		.start	= IRQ_S5P_UART_ERR4,
+		.end	= IRQ_S5P_UART_ERR4,
+		.flags	= IORESOURCE_IRQ,
+	},
+#endif
+};
+
+static struct resource s5p_uart5_resource[] = {
+#if CONFIG_SERIAL_SAMSUNG_UARTS > 5
+	[0] = {
+		.start	= S5P_PA_UART5,
+		.end	= S5P_PA_UART5 + S5P_SZ_UART,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_S5P_UART_RX5,
+		.end	= IRQ_S5P_UART_RX5,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start	= IRQ_S5P_UART_TX5,
+		.end	= IRQ_S5P_UART_TX5,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[3] = {
+		.start	= IRQ_S5P_UART_ERR5,
+		.end	= IRQ_S5P_UART_ERR5,
+		.flags	= IORESOURCE_IRQ,
+	},
+#endif
+};
+
 struct s3c24xx_uart_resources s5p_uart_resources[] __initdata = {
 	[0] = {
 		.resources	= s5p_uart0_resource,
@@ -136,4 +186,12 @@
 		.resources	= s5p_uart3_resource,
 		.nr_resources	= ARRAY_SIZE(s5p_uart3_resource),
 	},
+	[4] = {
+		.resources	= s5p_uart4_resource,
+		.nr_resources	= ARRAY_SIZE(s5p_uart4_resource),
+	},
+	[5] = {
+		.resources	= s5p_uart5_resource,
+		.nr_resources	= ARRAY_SIZE(s5p_uart5_resource),
+	},
 };